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687REGULATING & MONITORINGELECTRONIC HYGROSTATDATA SUBJECT TO CHANGE WITHOUT NOTICE.Technical DataSwitching difference 5% RH (%u00b1 1% tolerance) - at 77%u00b0F (25%u00b0C) and 50% RHReaction time approx. 5 secondsContact type change-over contact (relay)Service life > 50,000 cyclesMax. switching capacity (relay output) 8A resistive / 1.6A inductive @ 120VAC 8A resistive / 1.6A inductive @ 240VAC4A @ 24VDC Max. inrush current AC 16A for 10 sec.Connection 5-pole terminal, clamping torque 0.5Nm max.: solid wire - AWG 14 max. (2.5mm%u00b2) strandedHousing plastic, UL 94V-0, light greyMounting clip for 35mm DIN rail, EN 60 715Mounting position verticalOperating temperature 32 to 140%u00b0F (0 to 60%u00b0C)Storage temperature -4 to 158%u00b0F (-20 to +70%u00b0C) Max. storage humidity 90% RH (non-condensing)Dimensions 2.54 x 1.65 x 1.5%u201d (64.5 x 42 x 38mm)Weight approx. 2.3 oz. (70g)Protection type IP20Adjustable & pre-set relative humidity setpoints Compact design High switching capacity Status indicator (LED) DIN rail mountableLNNLWiring exampleHeater Hygrostat EFR 012230VAC, 50/60Hz120VAC, 50/60Hz1 %rFThe EFR 012 electronic hygrostat senses the relative humidity in an enclosure and turns on a heater at the set point, helping prevent the formation of condensation in the enclosure. The integrated LED is lit when the connected device is in operation.Part No. Operating voltage Setting range Approvals01245.0-00 230VAC, 50/60 Hz 40 to 90% RH UL, CSA-US*, EAC01245.9-00 120VAC, 50/60 Hz 40 to 90% RH CSA-US*, EAC01246.0-00 230VAC, 50/60 Hz 65% RH pre-set CSA-US*, EAC01246.9-01 230VAC, 50/60 Hz 50% RH pre-set CSA-US*, EAC*Tested according to UL Standard No. 873